メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.736174542879 35.1759955384141, 136.736256088284 35.1768628488609, 136.73578751189 35.176888080319, 136.735382668453 35.1769120581965, 136.735385376591 35.1768622095745, 136.735320436431 35.1760438307188, 136.734429274073 35.1760922669816, 136.734223507075 35.1761008971584, 136.734157677051 35.1754690593431, 136.735250333249 35.1753913440741, 136.736129083247 35.1753530691097, 136.736174542879 35.1759955384141)) ^^http://www.opengis.net/ont/geosparql#wktLiteral